STMicroelectronics

LM4040CECT-2.0  

Voltage References

LM4040CECT-2.0 Description

The LM4040CECT-2.0 is a precision micro-power shunt voltage reference designed by STMicroelectronics. This device offers a fixed output voltage of 2.048V with a tolerance of ±0.5%, ensuring high accuracy in voltage regulation. The LM4040CECT-2.0 is optimized for low power consumption, with a maximum cathode current of 12 µA and an output current capability of up to 15 mA. Its temperature coefficient of 70ppm/°C ensures stable performance across a wide temperature range, making it suitable for various industrial and consumer applications.

The LM4040CECT-2.0 is packaged in a surface-mount format, specifically in a Tape & Reel (TR) configuration, which facilitates easy integration into modern PCB designs. The device is REACH unaffected and RoHS3 compliant, adhering to stringent environmental standards. With a moisture sensitivity level (MSL) of 1 (unlimited), the LM4040CECT-2.0 is highly resistant to moisture, ensuring reliability in diverse environmental conditions.

LM4040CECT-2.0 Features

• Fixed Output Voltage: The LM4040CECT-2.0 provides a stable output voltage of 2.048V, ideal for precision applications requiring a consistent reference voltage.
• Low Noise: With a noise level of 95µVrms over the frequency range of 10Hz to 10kHz, this voltage reference ensures minimal interference in sensitive analog circuits.
• High Accuracy: The ±0.5% tolerance guarantees precise voltage regulation, critical for applications demanding high accuracy.
• Low Temperature Coefficient: A temperature coefficient of 70ppm/°C ensures stable performance across varying temperatures, enhancing reliability in diverse environments.
• Micro-Power Operation: The device operates with a low cathode current of 12 µA, making it suitable for low-power applications and battery-operated devices.
• Surface-Mount Packaging: The surface-mount package (Tape & Reel) facilitates easy integration into compact and high-density PCB designs.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring the device meets stringent environmental standards.
• Moisture Resistance: An MSL of 1 (unlimited) ensures the device remains reliable in high-moisture environments.

LM4040CECT-2.0 Applications

The LM4040CECT-2.0 is ideal for a variety of applications requiring precise voltage references. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate conversion of analog signals to digital data.
• Digital-to-Analog Converters (DACs): Ensures precise voltage levels for converting digital signals to analog outputs.
• Power Management Systems: Offers a reliable reference voltage for voltage regulators and power supply circuits.
• Battery Management Systems: Ensures accurate voltage monitoring and control in battery-operated devices.
• Precision Measurement Equipment: Provides a stable reference for high-precision measurement instruments.
• Medical Devices: Ensures accurate voltage regulation in medical equipment requiring high reliability and precision.

Conclusion of LM4040CECT-2.0

The LM4040CECT-2.0 stands out as a high-performance precision micro-power shunt voltage reference, offering a combination of accuracy, stability, and low power consumption. Its fixed output voltage, low noise, and low temperature coefficient make it an ideal choice for applications requiring precise voltage regulation. The surface-mount packaging and environmental compliance further enhance its suitability for modern electronic designs. Whether used in ADCs, DACs, power management systems, or precision measurement equipment, the LM4040CECT-2.0 delivers reliable performance, making it a preferred choice for engineers and designers in the electronics industry.

LM4040CECT-2.0 Documents

Download datasheets and manufacturer documentation for LM4040CECT-2.0

Datasheets :

LM4040